$727,000
SOLD JUL 24, 2026

421 Mapleton Ave Unit A Boulder, CO 80304

Mapleton Hill Neighborhood
1 Bed
1 Bath
618 Sq Ft
0.54 Acre Lot

Sale Details

Date Sold: July 24, 2026

$1,176 Per Sq Ft

0 Day on Market

Highlights

  • 0.54 Acre Lot
  • 1-Story Property
  • Dogs and Cats Allowed
  • 1 Car Detached Garage
  • Laundry Facilities
  • Radiant Heating System

About This Home

As of July 2026

Property sold off-market. Entered into MLS for comp purposes only.

Last Agent to Sell the Property

John Kinney

Homestead Real Estate, LLC Brokerage Phone: 4405391078 License #100082386 Listed on: 07/24/2026

Last Buyer's Agent

John Kinney

Homestead Real Estate, LLC Brokerage Phone: 4405391078 License #100082386 Listed on: 07/24/2026

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Property Details

Home Type

  • Multi-Family

Est. Annual Taxes

  • $4,110

Year Built

  • Built in 1906

Lot Details

  • 23,522 Sq Ft Lot

HOA Fees

  • $645 Monthly HOA Fees

Parking

  • 1 Car Detached Garage

Home Design

  • Property Attached
  • Flat Tile Roof

Interior Spaces

  • 618 Sq Ft Home
  • 1-Story Property
  • Window Treatments
  • Fire and Smoke Detector

Kitchen

  • Gas Range
  • Microwave
  • Dishwasher
  • Disposal

Bedrooms and Bathrooms

  • 1 Bedroom
  • 1 Full Bathroom

Schools

  • Whittier Elementary School
  • Casey Middle School
  • Boulder High School

Utilities

  • Cooling System Mounted To A Wall/Window
  • Radiant Heating System

Listing and Financial Details

  • Assessor Parcel Number R0140895

Community Details

Overview

  • Association fees include common amenities, trash, snow removal, ground maintenance, management, exterior maintenance
  • Mapleton Condos Association, Phone Number (440) 539-1078
  • Mapleton Ave Condo Subdivision

Amenities

  • Laundry Facilities

Pet Policy

  • Dogs and Cats Allowed

Property Details

Home Type

Multi-Family

Est. Annual Taxes

$4,110

Year Built

Built in 1906

Lot Details

0.54 Acres

HOA Fees

$645 per month

Parking

1

Listing Details

  • Year Built: 1906
  • Prop. Type: Residential
  • Lot Size Acres: 0.54
  • Subdivision Name: Mapleton Ave Condo
  • Architectural Style: Legal Conforming
  • Unit Levels: One
  • New Construction: No
  • Property Attached Yn: Yes
  • Structure Type: 1st Floor
  • Attribution Contact: 4405391078
  • RoomFeatures: Shared Primary Bath
  • IRE_AssociationFeeYN: Yes
  • IRE_AssociationYN2: 0
  • IRE_HasWaterRights: No
  • IRE_TotalSqFt: 618
  • IRE_NewConstructionStatus: Not New, Previously Owned
  • IRE_AssociationFee2YN: No
  • IRE_HasFamilyRoom: 0
  • Special Features: None
  • Property Sub Type: MultiFamily

Interior Features

  • Appliances: Gas Range, Dishwasher, Refrigerator, Microwave, Disposal, Fire Alarm
  • Has Basement: None
  • Full Bathrooms: 1
  • Total Bedrooms: 1
  • Window Features: Window Coverings

Exterior Features

  • Roof: Flat
  • Waterfront: No
  • Disclosures: Seller's Property Disclosure
  • Construction Type: Brick

Garage/Parking

  • Garage Spaces: 1
  • Parking Features: Detached
  • IRE_GarageType: Detached

Utilities

  • Cooling: Wall/Window Unit(s)
  • Heating: Radiant, Individual Heat Source
  • Utilities: Natural Gas Available, Electricity Available, High Speed Avail
  • Water Source: City

Condo/Co-op/Association

  • HOA Fee Includes: Common Amenities, Trash, Snow Removal, Maintenance Grounds, Management, Exterior Maintenance
  • Community Features: Community Laundry
  • Association Fee: 645
  • Association Fee Frequency: Monthly
  • Association Name: Mapleton Condos
  • Phone: 4405391078
  • Association: Yes
  • Pets Allowed: Dogs OK, Cats OK

Schools

  • Elementary School: Whittier
  • HighSchool: Boulder
  • Junior High Dist: Boulder Valley Dist RE2
  • Middle Or Junior School: Casey

Lot Info

  • Zoning: RES
  • Parcel #: R0140895
  • Irrigation Water Rights: No

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 4110

Ownership History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Name Owned For Owner Type

Purchase Details

Listed on
Oct 6, 2023
Closed on
Apr 16, 2024
Sold by
Bought by
Seller's Agent
Boulos Ayad
Compass - Boulder
Buyer's Agent
Marybeth Emerson
The Agency - Boulder
List Price
$750,000
Sold Price
$605,000
Premium/Discount to List
-$145,000
-19.33%
Views
152

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Avg. Annual Appreciation
-1.91%

Purchase Details

Closed on
Feb 8, 2001
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$217,500
Interest Rate
7.04%

Purchase Details

Closed on
Feb 3, 1999
Sold by
Bought by

Home Financials for this Owner

Home Financials are based on the most recent Mortgage that was taken out on this home.
Original Mortgage
$155,200
Interest Rate
6.79%
Source: Public Records

Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Agents Specializing in Mapleton Hill, CO

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Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $605,000 First American Title
Warranty Deed $290,050 Land Title
Warranty Deed $194,000 First American Heritage Titl
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Previous Owner $217,500 No Value Available
Previous Owner $155,200 No Value Available
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft Prior Sale
07/24/2026 07/24/26 Sold $727,000 0.0% $1,176 / Sq Ft
07/24/2026 07/24/26 For Sale $727,000 +20.2% $1,176 / Sq Ft
04/18/2024 04/18/24 Sold $605,000 -13.4% $979 / Sq Ft View Prior Sale
11/03/2023 11/03/23 Price Changed $699,000 -6.8% $1,131 / Sq Ft
10/06/2023 10/06/23 For Sale $750,000 -- $1,214 / Sq Ft
Source: IRES MLS

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2026 $4,110 $46,900 $46,900
2025 $4,110 $46,900 $46,900
2024 $3,110 $43,106 $43,106
2023 $3,056 $35,387 $39,072
2022 $3,164 $34,076 $0 $34,076
2021 $3,017 $35,056 $0 $35,056
2020 $3,065 $35,214 $0 $35,214
2019 $3,018 $35,214 $0 $35,214
2018 $2,536 $29,246 $0 $29,246
2017 $2,456 $32,334 $0 $32,334
2016 $2,913 $33,647 $0 $33,647
2015 $2,758 $23,641 $0 $23,641
2014 $2,033 $23,641 $0 $23,641
Source: Public Records

Agents Affiliated with this Home

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Map

Source: IRES MLS

MLS Number: IRE1065010

IRES MLS

APN: 1461254-85-003

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